kc3-lang/gnulib/gnulib-tool

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• Hash : 00cdd161
  Author :
  Date : 2006-02-13T15:40:25
  

  * gnulib-tool (Usage): Fix --import, from
  karl@freefriends.org (Karl Berry).
  

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• gnulib-tool

• #! /bin/sh
  #
  # Copyright (C) 2002-2006 Free Software Foundation, Inc.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation; either version 2, or (at your option)
  # any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program; if not, write to the Free Software Foundation,
  # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  #
  
  # This program is meant for authors or maintainers which want to import
  # modules from gnulib into their packages.
  
  progname=$0
  package=gnulib
  cvsdatestamp='$Date: 2006-02-13 15:40:25 $'
  last_checkin_date=`echo "$cvsdatestamp" | sed -e 's,^\$[D]ate: ,,'`
  version=`echo "$last_checkin_date" | sed -e 's/ .*$//' -e 's,/,-,g'`
  
  # You can set AUTOCONFPATH to empty if autoconf 2.57 is already in your PATH.
  AUTOCONFPATH=
  #case $USER in
  #  bruno )
  #    AUTOCONFBINDIR=/packages/gnu-inst-autoconf/2.57/bin
  #    AUTOCONFPATH="eval env PATH=${AUTOCONFBINDIR}:\$PATH "
  #    ;;
  #esac
  
  # You can set AUTOMAKEPATH to empty if automake 1.9.x is already in your PATH.
  AUTOMAKEPATH=
  
  # If you didn't set AUTOCONFPATH and AUTOMAKEPATH, you can also set the
  # variables AUTOCONF, ACLOCAL, AUTOMAKE, AUTORECONF individually.
  if test -z "${AUTOCONF}" || test -n "${AUTOCONFPATH}"; then
    AUTOCONF="${AUTOCONFPATH}autoconf"
  fi
  if test -z "${ACLOCAL}" || test -n "${AUTOMAKEPATH}"; then
    ACLOCAL="${AUTOMAKEPATH}aclocal"
  fi
  if test -z "${AUTOMAKE}" || test -n "${AUTOMAKEPATH}"; then
    AUTOMAKE="${AUTOMAKEPATH}automake"
  fi
  if test -z "${AUTORECONF}" || test -n "${AUTOCONFPATH}"; then
    AUTORECONF="${AUTOCONFPATH}autoreconf"
  fi
  
  # func_usage
  # outputs to stdout the --help usage message.
  func_usage ()
  {
    echo "\
  Usage: gnulib-tool --list
         gnulib-tool --import [module1 ... moduleN]
         gnulib-tool --update
         gnulib-tool --create-testdir --dir=directory module1 ... moduleN
         gnulib-tool --create-megatestdir --dir=directory [module1 ... moduleN]
         gnulib-tool --test --dir=directory module1 ... moduleN
         gnulib-tool --megatest --dir=directory [module1 ... moduleN]
         gnulib-tool --extract-description module
         gnulib-tool --extract-filelist module
         gnulib-tool --extract-dependencies module
         gnulib-tool --extract-autoconf-snippet module
         gnulib-tool --extract-automake-snippet module
         gnulib-tool --extract-include-directive module
         gnulib-tool --extract-license module
         gnulib-tool --extract-maintainer module
         gnulib-tool --extract-tests-module module
  
  Operation modes:
        --list                print the available module names
        --import              import the given modules into the current package;
                                if no modules are specified, update the
                                current package.
        --create-testdir      create a scratch package with the given modules
        --create-megatestdir  create a mega scratch package with the given modules
                              one by one and all together
        --test                test the combination of the given modules
                              (recommended to use CC=\"gcc -Wall\" here)
        --megatest            test the given modules one by one and all together
                              (recommended to use CC=\"gcc -Wall\" here)
        --extract-description        extract the description
        --extract-filelist           extract the list of files
        --extract-dependencies       extract the dependencies
        --extract-autoconf-snippet   extract the snippet for configure.ac
        --extract-automake-snippet   extract the snippet for lib/Makefile.am
        --extract-include-directive  extract the #include directive
        --extract-license            report the license terms of the source files
                                     under lib/
        --extract-maintainer         report the maintainer(s) inside gnulib
        --extract-tests-module       report the unit test module, if it exists
  
  Options:
        --dir=DIRECTORY       specify the target directory
                              For --import, this specifies where your
                              configure.ac can be found.  Defaults to current
                              directory.
        --lib=LIBRARY         Specify the library name.  Defaults to 'libgnu'.
        --source-base=DIRECTORY
                              Directory relative --dir where source code is
                              placed (default \"lib\"), for --import.
        --m4-base=DIRECTORY   Directory relative --dir where *.m4 macros are
                              placed (default \"m4\"), for --import.
        --tests-base=DIRECTORY
                              Directory relative --dir where unit tests are
                              placed (default \"tests\"), for --import.
        --aux-dir=DIRECTORY   Directory relative --dir where auxiliary build
                              tools are placed (default \"build-aux\").
        --with-tests          Include unit tests for the included modules.
        --avoid=MODULE        Avoid including the given MODULE. Useful if you
                              have code that provides equivalent functionality.
                              This option can be repeated.
        --lgpl                Abort if modules aren't available under the LGPL.
                              Also modify license template from GPL to LGPL.
        --libtool             Use libtool rules, for --import.
        --macro-prefix=PREFIX  Specify the prefix of the macros 'gl_EARLY' and
                              'gl_INIT'. Default is 'gl'.
        --no-changelog        don't update or create ChangeLog files
        --dry-run             For --import, only print what would have been done.
    -s, --symbolic, --symlink Make symbolic links instead of copying files.
  
  Report bugs to <bug-gnulib@gnu.org>."
  }
  
  # func_version
  # outputs to stdout the --version message.
  func_version ()
  {
    echo "$progname (GNU $package) $version"
    echo "Copyright (C) 2002-2005 Free Software Foundation, Inc.
  This is free software; see the source for copying conditions.  There is NO
  warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
    echo "Written by" "Bruno Haible" "and" "Simon Josefsson"
  }
  
  # func_tmpdir
  # creates a temporary directory.
  # Sets variable
  # - tmp             pathname of freshly created temporary directory
  func_tmpdir ()
  {
    # Use the environment variable TMPDIR, falling back to /tmp. This allows
    # users to specify a different temporary directory, for example, if their
    # /tmp is filled up or too small.
    : ${TMPDIR=/tmp}
    {
      # Use the mktemp program if available. If not available, hide the error
      # message.
      tmp=`(umask 077 && mktemp -d "$TMPDIR/glXXXXXX") 2>/dev/null` &&
      test -n "$tmp" && test -d "$tmp"
    } ||
    {
      # Use a simple mkdir command. It is guaranteed to fail if the directory
      # already exists.  $RANDOM is bash specific and expands to empty in shells
      # other than bash, ksh and zsh.  Its use does not increase security;
      # rather, it minimizes the probability of failure in a very cluttered /tmp
      # directory.
      tmp=$TMPDIR/gl$$-$RANDOM
      (umask 077 && mkdir "$tmp")
    } ||
    {
      echo "$0: cannot create a temporary directory in $TMPDIR" >&2
      { (exit 1); exit 1; }
    }
  }
  
  # func_fatal_error message
  # outputs to stderr a fatal error message, and terminates the program.
  func_fatal_error ()
  {
    echo "gnulib-tool: *** $1" 1>&2
    echo "gnulib-tool: *** Stop." 1>&2
    exit 1
  }
  
  # func_readlink SYMLINK
  # outputs the target of the given symlink.
  if (type -p readlink) > /dev/null 2>&1; then
    func_readlink ()
    {
      # Use the readlink program from GNU coreutils.
      readlink "$1"
    }
  else
    func_readlink ()
    {
      # Use two sed invocations. A single sed -n -e 's,^.* -> \(.*\)$,\1,p'
      # would do the wrong thing if the link target contains " -> ".
      LC_ALL=C ls -l "$1" | sed -e 's, -> ,#%%#,' | sed -n -e 's,^.*#%%#\(.*\)$,\1,p'
    }
  fi
  
  # func_ln_if_changed SRC DEST
  # Like ln -s, but avoids munging timestamps if the link is correct.
  func_ln_if_changed ()
  {
    if test $# -ne 2; then
      echo "usage: func_ln_if_changed SRC DEST" >&2
    fi
    if test -L "$2" && test "$1" = "`func_readlink "$2"`"; then
      :
    else
      rm -f "$2"
      ln -s "$1" "$2"
    fi
  }
  
  # Command-line option processing.
  # Removes the OPTIONS from the arguments. Sets the variables:
  # - mode            list or import or create-testdir or create-megatestdir
  # - destdir         from --dir
  # - libname, supplied_libname  from --lib
  # - sourcebase      from --source-base
  # - m4base          from --m4-base
  # - testsbase       from --tests-base
  # - auxdir          from --aux-dir
  # - inctests        true if --with-tests was given, blank otherwise
  # - avoidlist       list of modules to avoid, from --avoid
  # - lgpl            true if --lgpl was given, blank otherwise
  # - libtool         true if --libtool was given, blank otherwise
  # - do_changelog    false if --no-changelog was given, : otherwise
  # - doit            : if actions shall be executed, false if only to be printed
  {
    mode=
    destdir=
    libname=libgnu
    supplied_libname=
    sourcebase=
    m4base=
    testsbase=
    auxdir=
    inctests=
    avoidlist=
    lgpl=
    libtool=
    macro_prefix=
    do_changelog=:
    doit=:
    symbolic=
  
    supplied_opts="$@"
  
    while test $# -gt 0; do
      case "$1" in
        --list | --lis )
          mode=list
          shift ;;
        --import | --impor | --impo | --imp | --im | --i )
          mode=import
          shift ;;
        --update | --updat | --upda | --upd | --up | --u )
          mode=update
          shift ;;
        --create-testdir | --create-testdi | --create-testd | --create-test | --create-tes | --create-te | --create-t )
          mode=create-testdir
          shift ;;
        --create-megatestdir | --create-megatestdi | --create-megatestd | --create-megatest | --create-megates | --create-megate | --create-megat | --create-mega | --create-meg | --create-me | --create-m )
          mode=create-megatestdir
          shift ;;
        --test | --tes | --te | --t )
          mode=test
          shift ;;
        --megatest | --megates | --megate | --megat | --mega | --meg | --me | --m )
          mode=megatest
          shift ;;
        --extract-* )
          mode=`echo "X$1" | sed -e 's/^X--//'`
          shift ;;
        --dir )
          shift
          if test $# = 0; then
            func_fatal_error "missing argument for --dir"
          fi
          destdir=$1
          shift ;;
        --dir=* )
          destdir=`echo "X$1" | sed -e 's/^X--dir=//'`
          shift ;;
        --lib )
          shift
          if test $# = 0; then
            func_fatal_error "missing argument for --lib"
          fi
          libname=$1
          supplied_libname=true
          shift ;;
        --lib=* )
          libname=`echo "X$1" | sed -e 's/^X--lib=//'`
          supplied_libname=true
          shift ;;
        --source-base )
          shift
          if test $# = 0; then
            func_fatal_error "missing argument for --source-base"
          fi
          sourcebase=$1
          shift ;;
        --source-base=* )
          sourcebase=`echo "X$1" | sed -e 's/^X--source-base=//'`
          shift ;;
        --m4-base )
          shift
          if test $# = 0; then
            func_fatal_error "missing argument for --m4-base"
          fi
          m4base=$1
          shift ;;
        --m4-base=* )
          m4base=`echo "X$1" | sed -e 's/^X--m4-base=//'`
          shift ;;
        --tests-base )
          shift
          if test $# = 0; then
            func_fatal_error "missing argument for --tests-base"
          fi
          testsbase=$1
          shift ;;
        --tests-base=* )
          testsbase=`echo "X$1" | sed -e 's/^X--tests-base=//'`
          shift ;;
        --aux-dir )
          shift
          if test $# = 0; then
            func_fatal_error "missing argument for --aux-dir"
          fi
          auxdir=$1
          shift ;;
        --aux-dir=* )
          auxdir=`echo "X$1" | sed -e 's/^X--aux-dir=//'`
          shift ;;
        --with-tests )
          inctests=true
          shift ;;
        --avoid )
          shift
          if test $# = 0; then
            func_fatal_error "missing argument for --avoid"
          fi
          avoidlist="$avoidlist $1"
          shift ;;
        --avoid=* )
          avoidlist="$avoidlist "`echo "X$1" | sed -e 's/^X--avoid=//'`
          shift ;;
        --lgpl )
          lgpl=true
          shift ;;
        --libtool )
          libtool=true
          shift ;;
        --macro-prefix )
          shift
          if test $# = 0; then
            func_fatal_error "missing argument for --macro-prefix"
          fi
          macro_prefix="$1"
          shift ;;
        --macro-prefix=* )
          macro_prefix=`echo "X$1" | sed -e 's/^X--macro-prefix=//'`
          shift ;;
        --no-changelog | --no-changelo | --no-changel | --no-change | --no-chang | --no-chan | --no-cha | --no-ch | --no-c )
          do_changelog=false
          shift ;;
        --dry-run )
          doit=false
          shift ;;
        -s | --symbolic | --symboli | --symbol | --symbo | --symb | --symlink | --symlin | --symli | --syml | --sym | --sy )
          symbolic=true
          shift ;;
        --help | --hel | --he | --h )
          func_usage
          exit 0 ;;
        --version | --versio | --versi | --vers | --ver | --ve | --v )
          func_version
          exit 0 ;;
        -- )
          # Stop option processing
          shift
          break ;;
        -* )
          echo "gnulib-tool: unknown option $1" 1>&2
          echo "Try 'gnulib-tool --help' for more information." 1>&2
          exit 1 ;;
        * )
          break ;;
      esac
    done
  
    if test "$mode" = update; then
      if test $# != 0; then
        echo "gnulib-tool: too many arguments in 'update' mode" 1>&2
        echo "Try 'gnulib-tool --help' for more information." 1>&2
        echo "If you really want to modify the gnulib configuration of your project," 1>&2
        echo "you need to use 'gnulib --import' - at your own risk!" 1>&2
        exit 1
      fi
      if test -n "$libname" || test -n "$sourcebase" || test -n "$m4base" \
         || test -n "$testsbase" || test -n "$auxdir" || test -n "$inctests" \
         || test -n "$avoidlist" || test -n "$lgpl" || test -n "$macro_prefix"; then
        echo "gnulib-tool: invalid options for 'update' mode" 1>&2
        echo "Try 'gnulib-tool --help' for more information." 1>&2
        echo "If you really want to modify the gnulib configuration of your project," 1>&2
        echo "you need to use 'gnulib --import' - at your own risk!" 1>&2
        exit 1
      fi
      do_changelog=false
    fi
  
    # Remove trailing slashes from the directory names. This is necessary for
    # m4base (to avoid an error in func_import) and optional for the others.
    sed_trimtrailingslashes='s,\([^/]\)//*$,\1,'
    case "$sourcebase" in
      */ ) sourcebase=`echo "$sourcebase" | sed -e "$sed_trimtrailingslashes"` ;;
    esac
    case "$m4base" in
      */ ) m4base=`echo "$m4base" | sed -e "$sed_trimtrailingslashes"` ;;
    esac
    case "$testsbase" in
      */ ) testsbase=`echo "$testsbase" | sed -e "$sed_trimtrailingslashes"` ;;
    esac
    case "$auxdir" in
      */ ) auxdir=`echo "$auxdir" | sed -e "$sed_trimtrailingslashes"` ;;
    esac
  }
  
  case "$0" in
    /*) self_abspathname="$0" ;;
    */*) self_abspathname=`pwd`/"$0" ;;
    *) for d in `echo ":$PATH:" | sed -e 's/:::*/:.:/g' | sed -e 's/:/ /g'`; do
         if test -x "$d/$0" && test ! -d "$d/$0"; then
           self_abspathname="$d/$0"
           break
         fi
       done
       if test -z "$self_abspathname"; then
         func_fatal_error "could not locate the gnulib-tool program - how did you invoke it?"
       fi
       ;;
  esac
  while test -h "$self_abspathname"; do
    # Resolve symbolic link.
    linkval=`func_readlink "$self_abspathname"`
    test -n "$linkval" || break
    case "$linkval" in
      /* ) self_abspathname="$linkval" ;;
      * ) self_abspathname=`echo "$self_abspathname" | sed -e 's,/[^/]*$,,'`/"$linkval" ;;
    esac
  done
  gnulib_dir=`echo "$self_abspathname" | sed -e 's,/[^/]*$,,'`
  
  # func_all_modules
  func_all_modules ()
  {
    # Filter out metainformation files like README, which are not modules.
    # Filter out unit test modules; they can be retrieved through
    # --extract-tests-module if desired.
    (cd "$gnulib_dir/modules" && ls -1) \
        | sed -e '/^CVS$/d' -e '/^ChangeLog$/d' -e '/^README$/d' -e '/^TEMPLATE$/d' -e '/^TEMPLATE-TESTS$/d' -e '/~$/d' \
        | sed -e '/-tests$/d' \
        | LC_ALL=C sort
  }
  
  # func_verify_module
  # verifies a module name
  func_verify_module ()
  {
    if test ! -f "$gnulib_dir/modules/$module" \
       || test "CVS" = "$module" \
       || test "ChangeLog" = "$module" \
       || test "README" = "$module" \
       || test "TEMPLATE" = "$module" \
       || test "TEMPLATE-TESTS" = "$module"; then
      echo "gnulib-tool: module $module doesn't exist" 1>&2
      module=
    fi
  }
  
  # func_verify_nontests_module
  # verifies a module name, excluding tests modules
  func_verify_nontests_module ()
  {
    case "$module" in
      *-tests ) module= ;;
      * ) func_verify_module ;;
    esac
  }
  
  # func_verify_tests_module
  # verifies a module name, considering only tests modules
  func_verify_tests_module ()
  {
    case "$module" in
      *-tests ) func_verify_module ;;
      * ) module= ;;
    esac
  }
  
  sed_extract_prog=':[ 	]*$/ {
    :a
      n
      s/^Description:[ 	]*$//
      s/^Files:[ 	]*$//
      s/^Depends-on:[ 	]*$//
      s/^configure\.ac:[ 	]*$//
      s/^Makefile\.am:[ 	]*$//
      s/^Include:[ 	]*$//
      s/^License:[ 	]*$//
      s/^Maintainer:[ 	]*$//
      tb
      p
      ba
    :b
  }'
  
  # func_get_description module
  func_get_description ()
  {
    sed -n -e "/^Description$sed_extract_prog" < "$gnulib_dir/modules/$1"
  }
  
  # func_get_filelist module
  func_get_filelist ()
  {
    sed -n -e "/^Files$sed_extract_prog" < "$gnulib_dir/modules/$1"
    #echo m4/onceonly.m4
    echo m4/onceonly_2_57.m4
  }
  
  # func_get_dependencies module
  func_get_dependencies ()
  {
    # ${module}-tests always implicitly depends on ${module}.
    echo "$1" | sed -n -e 's/-tests//p'
    # Then the explicit dependencies listed in the module description.
    sed -n -e "/^Depends-on$sed_extract_prog" < "$gnulib_dir/modules/$1"
  }
  
  # func_get_autoconf_snippet module
  func_get_autoconf_snippet ()
  {
    sed -n -e "/^configure\.ac$sed_extract_prog" < "$gnulib_dir/modules/$1"
  }
  
  # func_get_automake_snippet module
  func_get_automake_snippet ()
  {
    sed -n -e "/^Makefile\.am$sed_extract_prog" < "$gnulib_dir/modules/$1"
  }
  
  # func_get_include_directive module
  func_get_include_directive ()
  {
    sed -n -e "/^Include$sed_extract_prog" < "$gnulib_dir/modules/$1" | \
    sed -e 's/^\(["<]\)/#include \1/'
  }
  
  # func_get_license module
  func_get_license ()
  {
    sed -n -e "/^License$sed_extract_prog" < "$gnulib_dir/modules/$1"
  }
  
  # func_get_maintainer module
  func_get_maintainer ()
  {
    sed -n -e "/^Maintainer$sed_extract_prog" < "$gnulib_dir/modules/$1"
  }
  
  # func_get_tests_module module
  func_get_tests_module ()
  {
    # The naming convention for tests modules is hardwired: ${module}-tests.
    if test -f modules/"$1"-tests; then
      echo "$1"-tests
    fi
  }
  
  # func_acceptable module
  # tests whether a module is acceptable.
  # Input:
  # - avoidlist       list of modules to avoid
  func_acceptable ()
  {
    for avoid in $avoidlist; do
      if test "$avoid" = "$1"; then
        return 1
      fi
    done
    return 0
  }
  
  # func_modules_transitive_closure
  # Input:
  # - modules         list of specified modules
  # - inctests        true if tests should be included, blank otherwise
  # - avoidlist       list of modules to avoid
  # Output:
  # - modules         list of modules, including dependencies
  func_modules_transitive_closure ()
  {
    while true; do
      xmodules=
      for module in $modules; do
        func_verify_module
        if test -n "$module"; then
          # Duplicate dependencies are harmless, but Jim wants a warning.
          duplicated_deps=`func_get_dependencies $module | LC_ALL=C sort | LC_ALL=C uniq -d`
          if test -n "$duplicated_deps"; then
            echo "warning: module $module has duplicated dependencies: "`echo $duplicated_deps` 1>&2
          fi
          if func_acceptable $module; then
            xmodules="$xmodules $module"
            for depmodule in `func_get_dependencies $module`; do
              if func_acceptable $depmodule; then
                xmodules="$xmodules $depmodule"
              fi
            done
            if test -n "$inctests"; then
              testsmodule=`func_get_tests_module $module`
              if test -n "$testsmodule"; then
                if func_acceptable $testsmodule; then
                  xmodules="$xmodules $testsmodule"
                  for depmodule in `func_get_dependencies $testsmodule`; do
                    if func_acceptable $depmodule; then
                      xmodules="$xmodules $depmodule"
                    fi
                  done
                fi
              fi
            fi
          fi
        fi
      done
      xmodules=`for m in $xmodules; do echo $m; done | LC_ALL=C sort | LC_ALL=C uniq`
      if test "$xmodules" = "$modules"; then
        break
      fi
      modules="$xmodules"
    done
  }
  
  # func_modules_add_dummy
  # Input:
  # - modules         list of modules, including dependencies
  # Output:
  # - modules         list of modules, including 'dummy' if needed
  func_modules_add_dummy ()
  {
    have_lib_SOURCES=
    sed_remove_backslash_newline=':a
  /\\$/{
  s/\\$//
  N
  s/\n//
  ba
  }'
    for module in $modules; do
      func_verify_nontests_module
      if test -n "$module"; then
        # Extract the value of "lib_SOURCES += ...".
        for file in `func_get_automake_snippet "$module" | sed -e "$sed_remove_backslash_newline" | sed -n -e 's,^lib_SOURCES[ 	]*+=\([^#]*\).*$,\1,p'`; do
          # Ignore .h files since they are not compiled.
          case "$file" in
            *.h) ;;
            *) have_lib_SOURCES=yes ;;
          esac
        done
      fi
    done
    # Add the dummy module, to make sure the library will be non-empty.
    if test -z "$have_lib_SOURCES"; then
      modules="$modules dummy"
    fi
  }
  
  # func_modules_to_filelist
  # Input:
  # - modules         list of modules, including dependencies
  # Output:
  # - files           list of files
  func_modules_to_filelist ()
  {
    files=
    for module in $modules; do
      func_verify_module
      if test -n "$module"; then
        files="$files "`func_get_filelist $module`
      fi
    done
    files=`for f in $files; do echo $f; done | LC_ALL=C sort | LC_ALL=C uniq`
  }
  
  # func_emit_lib_Makefile_am
  # emits the contents of lib/Makefile.am to standard output.
  # Input:
  # - modules         list of modules, including dependencies
  # - libname         library name
  # - libtool         true if libtool will be used, blank otherwise
  # - actioncmd       (optional) command that will reproduce this invocation
  func_emit_lib_Makefile_am ()
  {
    if test -n "$libtool"; then
      libext=la
      perhapsLT=LT
    else
      libext=a
      perhapsLT=
    fi
    echo "## Process this file with automake to produce Makefile.in."
    echo "# Copyright (C) 2004 Free Software Foundation, Inc."
    echo "#"
    echo "# This file is free software, distributed under the terms of the GNU"
    echo "# General Public License.  As a special exception to the GNU General"
    echo "# Public License, this file may be distributed as part of a program"
    echo "# that contains a configuration script generated by Automake, under"
    echo "# the same distribution terms as the rest of that program."
    echo "#"
    echo "# Generated by gnulib-tool."
    if test -n "$actioncmd"; then
      echo "# Reproduce by: $actioncmd"
    fi
    echo
    # No need to generate dependencies since the sources are in gnulib, not here.
    echo "AUTOMAKE_OPTIONS = 1.5 gnits no-dependencies"
    echo
    echo "noinst_${perhapsLT}LIBRARIES = $libname.$libext"
    echo
    echo "${libname}_${libext}_SOURCES ="
    echo "${libname}_${libext}_LIBADD = @${perhapsLT}LIBOBJS@"
    echo "noinst_HEADERS ="
    echo "EXTRA_DIST ="
    echo "BUILT_SOURCES ="
    echo "SUFFIXES ="
    echo "MOSTLYCLEANFILES ="
    echo "CLEANFILES ="
    echo "DISTCLEANFILES ="
    echo "MAINTAINERCLEANFILES ="
    echo
    for module in $modules; do
      func_verify_nontests_module
      if test -n "$module"; then
        {
          func_get_automake_snippet "$module" |
            sed -e 's,lib_\([A-Z][A-Z]*\),'"${libname}_${libext}"'_\1,g'
          if test "$module" = 'alloca'; then
            echo "${libname}_${libext}_LIBADD += @${perhapsLT}ALLOCA@"
          fi
        } > amsnippet.tmp
        # Skip the contents if its entirely empty.
        if grep '[^ 	]' amsnippet.tmp > /dev/null ; then
          echo "## begin gnulib module $module"
          echo
          cat amsnippet.tmp
          echo "## end   gnulib module $module"
          echo
        fi
        rm -f amsnippet.tmp
      fi
    done
    echo
    echo "# Makefile.am ends here"
  }
  
  # func_emit_tests_Makefile_am
  # emits the contents of tests/Makefile.am to standard output.
  # Input:
  # - modules         list of modules, including dependencies
  # - libname         library name
  # - libtool         true if libtool will be used, blank otherwise
  # - sourcebase      relative directory containing lib source code
  # - m4base          relative directory containing autoconf macros
  # - testsbase       relative directory containing unit test code
  func_emit_tests_Makefile_am ()
  {
    if test -n "$libtool"; then
      libext=la
    else
      libext=a
    fi
    testsbase_inverse=`echo "$testsbase" | sed -e 's,/$,,' | sed -e 's,[^/][^/]*,..,g'`
    echo "## Process this file with automake to produce Makefile.in."
    echo "# Copyright (C) 2004-2005 Free Software Foundation, Inc."
    echo "#"
    echo "# This file is free software, distributed under the terms of the GNU"
    echo "# General Public License.  As a special exception to the GNU General"
    echo "# Public License, this file may be distributed as part of a program"
    echo "# that contains a configuration script generated by Automake, under"
    echo "# the same distribution terms as the rest of that program."
    echo "#"
    echo "# Generated by gnulib-tool."
    echo
    # Generate dependencies here, since it eases the debugging of test failures.
    echo "AUTOMAKE_OPTIONS = 1.5 foreign"
    echo
    echo "ACLOCAL_AMFLAGS = -I ${testsbase_inverse}/${m4base}"
    echo
    # Nothing is being added to SUBDIRS; nevertheless the existence of this
    # variable is needed to avoid an error from automake:
    #   "AM_GNU_GETTEXT used but SUBDIRS not defined"
    echo "SUBDIRS ="
    echo "TESTS ="
    echo "TESTS_ENVIRONMENT ="
    echo "noinst_PROGRAMS ="
    echo "check_PROGRAMS ="
    echo "noinst_HEADERS ="
    echo "EXTRA_DIST ="
    echo "BUILT_SOURCES ="
    echo "SUFFIXES ="
    echo "MOSTLYCLEANFILES ="
    echo "CLEANFILES ="
    echo "DISTCLEANFILES ="
    echo "MAINTAINERCLEANFILES ="
    echo
    echo "AM_CPPFLAGS = \\"
    echo "  -I. -I\$(srcdir) \\"
    echo "  -I${testsbase_inverse} -I\$(srcdir)/${testsbase_inverse} \\"
    echo "  -I${testsbase_inverse}/${sourcebase-lib} -I\$(srcdir)/${testsbase_inverse}/${sourcebase-lib}"
    echo
    echo "LDADD = ${testsbase_inverse}/${sourcebase-lib}/${libname}.${libext}"
    echo
    for module in $modules; do
      func_verify_tests_module
      if test -n "$module"; then
        func_get_automake_snippet "$module" > amsnippet.tmp
        # Skip the contents if its entirely empty.
        if grep '[^ 	]' amsnippet.tmp > /dev/null ; then
          echo "## begin gnulib module $module"
          echo
          cat amsnippet.tmp
          echo "## end   gnulib module $module"
          echo
        fi
        rm -f amsnippet.tmp
      fi
    done
    echo "# Clean up after Solaris cc."
    echo "clean-local:"
    echo "	rm -rf SunWS_cache"
    echo
    echo "# Makefile.am ends here"
  }
  
  # func_import modules
  # Uses also the variables
  # - destdir         target directory
  # - libname         library name
  # - sourcebase      directory relative to destdir where to place source code
  # - m4base          directory relative to destdir where to place *.m4 macros
  # - testsbase       directory relative to destdir where to place unit test code
  # - auxdir          directory relative to destdir where to place build aux files
  # - inctests        true if --with-tests was given, blank otherwise
  # - avoidlist       list of modules to avoid, from --avoid
  # - lgpl            true if library's license shall be LGPL, blank otherwise
  # - libtool         true if libtool will be used, blank otherwise
  # - guessed_libtool true if the configure.ac file uses libtool, blank otherwise
  # - macro_prefix    prefix of gl_EARLY, gl_INIT macros to use
  # - doit            : if actions shall be executed, false if only to be printed
  # - symbolic        true if files should be symlinked, copied otherwise
  func_import ()
  {
    # Get the cached settings.
    cached_specified_modules=
    cached_avoidlist=
    cached_sourcebase=
    cached_m4base=
    cached_testsbase=
    cached_libname=
    cached_lgpl=
    cached_libtool=
    cached_macro_prefix=
    cached_files=
    if test -f "$destdir"/$m4base/gnulib-cache.m4; then
      my_sed_traces='
        s,#.*$,,
        s,^dnl .*$,,
        s, dnl .*$,,
        /gl_MODULES(/ {
          s,^.*gl_MODULES([[ ]*\([^])]*\).*$,cached_specified_modules="\1",p
        }
        /gl_AVOID(/ {
          s,^.*gl_AVOID([[ ]*\([^])]*\).*$,cached_avoidlist="\1",p
        }
        /gl_SOURCE_BASE(/ {
          s,^.*gl_SOURCE_BASE([[ ]*\([^])]*\).*$,cached_sourcebase="\1",p
        }
        /gl_M4_BASE(/ {
          s,^.*gl_M4_BASE([[ ]*\([^])]*\).*$,cached_m4base="\1",p
        }
        /gl_TESTS_BASE(/ {
          s,^.*gl_TESTS_BASE([[ ]*\([^])]*\).*$,cached_testsbase="\1",p
        }
        /gl_LIB(/ {
          s,^.*gl_LIB([[ ]*\([^])]*\).*$,cached_libname="\1",p
        }
        /gl_LGPL/ {
          s,^.*$,cached_lgpl=true,p
        }
        /gl_LIBTOOL/ {
          s,^.*$,cached_libtool=true,p
        }
        /gl_MACRO_PREFIX(/ {
          s,^.*gl_MACRO_PREFIX([[ ]*\([^])]*\).*$,cached_macro_prefix="\1",p
        }'
      eval `sed -n -e "$my_sed_traces" < "$destdir"/$m4base/gnulib-cache.m4`
      if test -f "$destdir"/$m4base/gnulib-comp.m4; then
        my_sed_traces='
          s,#.*$,,
          s,^dnl .*$,,
          s, dnl .*$,,
          /AC_DEFUN(\['"${cached_macro_prefix}"'_FILE_LIST\], \[/ {
            s,^.*$,cached_files=",p
            n
            ta
            :a
            s,^\]).*$,",
            tb
            p
            n
            ba
            :b
            p
          }'
        eval `sed -n -e "$my_sed_traces" < "$destdir"/$m4base/gnulib-comp.m4`
      fi
    fi
  
    # Merge the cached settings with the specified ones.
    # The m4base must be the same as expected from the pathname.
    if test -n "$cached_m4base" && test "$cached_m4base" != "$m4base"; then
      func_fatal_error "$m4base/gnulib-cache.m4 is expected to contain gl_M4_BASE([$m4base])"
    fi
    # Append the cached and the specified module names. So that
    # "gnulib-tool --import foo" means to add the module foo.
    specified_modules="$cached_specified_modules $1"
    # Append the cached and the specified avoidlist. This is probably better
    # than dropping the cached one when --avoid is specified at least once.
    avoidlist=`echo $cached_avoidlist $avoidlist`
    # The sourcebase defaults to the cached one.
    if test -z "$sourcebase"; then
      sourcebase="$cached_sourcebase"
      if test -z "$sourcebase"; then
        func_fatal_error "missing --source-base option"
      fi
    fi
    # The testsbase defaults to the cached one.
    if test -z "$testsbase"; then
      testsbase="$cached_testsbase"
      if test -z "$testsbase"; then
        func_fatal_error "missing --tests-base option"
      fi
    fi
    # The libname defaults to the cached one.
    if test -z "$supplied_libname"; then
      libname="$cached_libname"
      if test -z "$libname"; then
        func_fatal_error "missing --lib option"
      fi
    fi
    # Require LGPL if specified either way.
    if test -z "$lgpl"; then
      lgpl="$cached_lgpl"
    fi
    # Use libtool if specified either way, or if guessed.
    if test -z "$libtool"; then
      if test -n "$cached_m4base"; then
        libtool="$cached_libtool"
      else
        libtool="$guessed_libtool"
      fi
    fi
    # The macro_prefix defaults to the cached one.
    if test -z "$macro_prefix"; then
      macro_prefix="$cached_macro_prefix"
      if test -z "$macro_prefix"; then
        func_fatal_error "missing --macro-prefix option"
      fi
    fi
  
    # Canonicalize the list of specified modules.
    specified_modules=`for m in $specified_modules; do echo $m; done | LC_ALL=C sort | LC_ALL=C uniq`
  
    # Determine final module list.
    modules="$specified_modules"
    func_modules_transitive_closure
    echo "Module list with included dependencies:"
    echo "$modules" | sed -e 's/^/  /'
  
    # Add the dummy module if needed.
    func_modules_add_dummy
  
    # If --lgpl, check the license of modules are compatible.
    if test -n "$lgpl"; then
      for module in $modules; do
        license=`func_get_license $module`
        case $license in
          LGPL | 'GPLed build tool' | 'public domain' | 'unlimited') ;;
          *) func_fatal_error "incompatible license on module $module: $license" ;;
        esac
      done
    fi
  
    # Determine final file list.
    func_modules_to_filelist
    echo "File list:"
    echo "$files" | sed -e 's/^/  /'
  
    test -n "$files" \
      || func_fatal_error "refusing to do nothing"
  
    # Add m4/gnulib-tool.m4 to the file list. It is not part of any module.
    new_files="$files m4/gnulib-tool.m4"
    old_files="$cached_files"
    if test -f "$destdir"/$m4base/gnulib-tool.m4; then
      old_files="$old_files m4/gnulib-tool.m4"
    fi
  
    # Create directories.
    if test ! -d "$destdir/$sourcebase"; then
      if $doit; then
        echo "Creating directory $destdir/$sourcebase"
        mkdir "$destdir/$sourcebase" || func_fatal_error "failed"
      else
        echo "Create directory $destdir/$sourcebase"
      fi
    fi
    if test ! -d "$destdir/$m4base"; then
      if $doit; then
        echo "Creating directory $destdir/$m4base"
        mkdir "$destdir/$m4base" || func_fatal_error "failed"
      else
        echo "Create directory $destdir/$m4base"
      fi
    fi
    if test -n "$inctests"; then
      if test ! -d "$destdir/$testsbase"; then
        if $doit; then
          echo "Creating directory $destdir/$testsbase"
          mkdir "$destdir/$testsbase" || func_fatal_error "failed"
        else
          echo "Create directory $destdir/$testsbase"
        fi
      fi
    fi
    if test ! -d "$destdir/$auxdir"; then
      if $doit; then
        echo "Creating directory $destdir/$auxdir"
        mkdir "$destdir/$auxdir" || func_fatal_error "failed"
      else
        echo "Create directory $destdir/$auxdir"
      fi
    fi
  
    # Copy files or make symbolic links. Remove obsolete files.
    func_tmpdir
    trap 'rm -rf "$tmp"' 0 1 2 3 15
    delimiter='	'
    for f in $old_files; do
      case "$f" in
        build-aux/*) g=`echo "$f" | sed -e "s,^build-aux/,$auxdir/,"` ;;
        lib/*) g=`echo "$f" | sed -e "s,^lib/,$cached_sourcebase/,"` ;;
        m4/*) g=`echo "$f" | sed -e "s,^m4/,$cached_m4base/,"` ;;
        tests/*) g=`echo "$f" | sed -e "s,^tests/,$cached_testsbase/,"` ;;
        *) g="$f" ;;
      esac
      echo "$g""$delimiter""$f"
    done | LC_ALL=C sort > "$tmp"/old-files
    for f in $new_files; do
      case "$f" in
        build-aux/*) g=`echo "$f" | sed -e "s,^build-aux/,$auxdir/,"` ;;
        lib/*) g=`echo "$f" | sed -e "s,^lib/,$sourcebase/,"` ;;
        m4/*) g=`echo "$f" | sed -e "s,^m4/,$m4base/,"` ;;
        tests/*) g=`echo "$f" | sed -e "s,^tests/,$testsbase/,"` ;;
        *) g="$f" ;;
      esac
      echo "$g""$delimiter""$f"
    done | LC_ALL=C sort > "$tmp"/new-files
    # First the files that are in old-files, but not in new-files:
    sed_take_first_column='s,'"$delimiter"'.*,,'
    for g in `LC_ALL=C join -t"$delimiter" -v1 "$tmp"/old-files "$tmp"/new-files | sed -e "$sed_take_first_column"`; do
      # Remove the file. Do nothing if the user already removed it.
      if test -f "$destdir/$g"; then
        if $doit; then
          echo "Removing file $g (backup in ${g}~)"
          mv -f "$destdir/$g" "$destdir/${g}~" || func_fatal_error "failed"
        else
          echo "Remove file $g (backup in ${g}~)"
        fi
      fi
    done
    # func_add_or_update handles a file that ought to be present afterwards.
    # Uses parameters f, g, already_present.
    func_add_or_update ()
    {
      cp "$gnulib_dir/$f" "$destdir/$g.tmp" || func_fatal_error "failed"
      if test -n "$lgpl"; then
        # Update license.
        case "$f" in
          lib/*)
            sed -e 's/GNU General/GNU Lesser General/g' \
                -e 's/version 2\([ ,]\)/version 2.1\1/g' \
              < "$gnulib_dir/$f" > "$destdir/$g.tmp" || func_fatal_error "failed"
            ;;
        esac
      fi
      if test -f "$destdir/$g"; then
        # The file already exists.
        if cmp "$destdir/$g" "$destdir/$g.tmp" > /dev/null; then
          : # The file has not changed.
        else
          # Replace the file.
          if $doit; then
            if test -n "$already_present"; then
              echo "Updating file $g (backup in ${g}~)"
            else
              echo "Replacing file $g (non-gnulib code backuped in ${g}~) !!"
            fi
            mv -f "$destdir/$g" "$destdir/${g}~" || func_fatal_error "failed"
            if test -n "$symbolic" && cmp "$gnulib_dir/$f" "$destdir/$g.tmp" > /dev/null; then
              func_ln_if_changed "$gnulib_dir/$f" "$destdir/$g"
            else
              mv -f "$destdir/$g.tmp" "$destdir/${g}" || func_fatal_error "failed"
            fi
          else
            if test -n "$already_present"; then
              echo "Update file $g (backup in ${g}~)"
            else
              echo "Replace file $g (non-gnulib code backuped in ${g}~) !!"
            fi
          fi
        fi
      else
        # Install the file.
        # Don't protest if the file should be there but isn't: it happens
        # frequently that developers don't put autogenerated files into CVS.
        if $doit; then
          echo "Copying file $g"
          if test -n "$symbolic" && cmp "$gnulib_dir/$f" "$destdir/$g.tmp" > /dev/null; then
            func_ln_if_changed "$gnulib_dir/$f" "$destdir/$g"
          else
            mv -f "$destdir/$g.tmp" "$destdir/${g}" || func_fatal_error "failed"
          fi
        else
          echo "Copy file $g"
        fi
      fi
      rm -f "$destdir/$g.tmp"
    }
    # Then the files that are in new-files, but not in old-files:
    sed_take_last_column='s,^.*'"$delimiter"',,'
    already_present=
    for f in `LC_ALL=C join -t"$delimiter" -v2 "$tmp"/old-files "$tmp"/new-files | sed -e "$sed_take_last_column"`; do
      case "$f" in
        build-aux/*) g=`echo "$f" | sed -e "s,^build-aux/,$auxdir/,"` ;;
        lib/*) g=`echo "$f" | sed -e "s,^lib/,$sourcebase/,"` ;;
        m4/*) g=`echo "$f" | sed -e "s,^m4/,$m4base/,"` ;;
        tests/*) g=`echo "$f" | sed -e "s,^tests/,$testsbase/,"` ;;
        *) g="$f" ;;
      esac
      func_add_or_update
    done
    # Then the files that are in new-files and in old-files:
    already_present=true
    for f in `LC_ALL=C join -t"$delimiter" "$tmp"/old-files "$tmp"/new-files | sed -e "$sed_take_last_column"`; do
      case "$f" in
        build-aux/*) g=`echo "$f" | sed -e "s,^build-aux/,$auxdir/,"` ;;
        lib/*) g=`echo "$f" | sed -e "s,^lib/,$sourcebase/,"` ;;
        m4/*) g=`echo "$f" | sed -e "s,^m4/,$m4base/,"` ;;
        tests/*) g=`echo "$f" | sed -e "s,^tests/,$testsbase/,"` ;;
        *) g="$f" ;;
      esac
      func_add_or_update
    done
    rm -rf "$tmp"
    # Undo the effect of the previous 'trap' command. Some shellology:
    # We cannot use "trap - 0 1 2 3 15", because Solaris sh would attempt to
    # execute the command "-". "trap '' ..." is fine only for signal 0 (= normal
    # exit); for the others we need to call 'exit' explicitly. The value of $? is
    # 128 + signal number and is set before the trap-registered command is run.
    trap '' 0
    trap 'exit $?' 1 2 3 15
  
    # Command-line invocation printed in a comment in generated gnulib-cache.m4.
    actioncmd="gnulib-tool --import"
    actioncmd="$actioncmd --dir=$destdir"
    actioncmd="$actioncmd --lib=$libname"
    actioncmd="$actioncmd --source-base=$sourcebase"
    actioncmd="$actioncmd --m4-base=$m4base"
    actioncmd="$actioncmd --aux-dir=$auxdir"
    for module in $avoidlist; do
      actioncmd="$actioncmd --avoid=$module"
    done
    if test -n "$lgpl"; then
      actioncmd="$actioncmd --lgpl"
    fi
    if test -n "$libtool"; then
      actioncmd="$actioncmd --libtool"
    fi
    actioncmd="$actioncmd --macro-prefix=$macro_prefix"
    actioncmd="$actioncmd `echo $specified_modules`"
  
    # Create lib/Makefile.am.
    func_emit_lib_Makefile_am > "$destdir"/$sourcebase/Makefile.am.tmp
    if test -f "$destdir"/$sourcebase/Makefile.am; then
      if cmp "$destdir"/$sourcebase/Makefile.am "$destdir"/$sourcebase/Makefile.am.tmp > /dev/null; then
        rm -f "$destdir"/$sourcebase/Makefile.am.tmp
      else
        if $doit; then
          echo "Updating $sourcebase/Makefile.am (backup in $sourcebase/Makefile.am~)"
          mv -f "$destdir"/$sourcebase/Makefile.am "$destdir"/$sourcebase/Makefile.am~
          mv -f "$destdir"/$sourcebase/Makefile.am.tmp "$destdir"/$sourcebase/Makefile.am
        else
          echo "Update $sourcebase/Makefile.am (backup in $sourcebase/Makefile.am~)"
          rm -f "$destdir"/$sourcebase/Makefile.am.tmp
        fi
      fi
    else
      if $doit; then
        echo "Creating $sourcebase/Makefile.am"
        mv -f "$destdir"/$sourcebase/Makefile.am.tmp "$destdir"/$sourcebase/Makefile.am
      else
        echo "Create $sourcebase/Makefile.am"
        rm -f "$destdir"/$sourcebase/Makefile.am.tmp
      fi
    fi
  
    # Create m4/gnulib-cache.m4.
    (
      echo "# Copyright (C) 2004 Free Software Foundation, Inc."
      echo "# This file is free software, distributed under the terms of the GNU"
      echo "# General Public License.  As a special exception to the GNU General"
      echo "# Public License, this file may be distributed as part of a program"
      echo "# that contains a configuration script generated by Autoconf, under"
      echo "# the same distribution terms as the rest of that program."
      echo "#"
      echo "# Generated by gnulib-tool."
      echo "#"
      echo "# This file represents the specification of how gnulib-tool is used."
      echo "# It acts as a cache: It is written and read by gnulib-tool."
      echo "# In projects using CVS, this file is meant to be stored in CVS,"
      echo "# like the configure.ac and various Makefile.am files."
      echo
      echo
      echo "# Specification in the form of a command-line invocation:"
      echo "#   $actioncmd"
      echo
      echo "# Specification in the form of a few gnulib-tool.m4 macro invocations:"
      echo "gl_MODULES(["`echo $specified_modules`"])"
      echo "gl_AVOID([$avoidlist])"
      echo "gl_SOURCE_BASE([$sourcebase])"
      echo "gl_M4_BASE([$m4base])"
      echo "gl_TESTS_BASE([$testsbase])"
      echo "gl_LIB([$libname])"
      test -z "$lgpl" || echo "gl_LGPL"
      test -z "$libtool" || echo "gl_LIBTOOL"
      echo "gl_MACRO_PREFIX([$macro_prefix])"
    ) > "$destdir"/$m4base/gnulib-cache.m4.tmp
    if test -f "$destdir"/$m4base/gnulib-cache.m4; then
      if cmp "$destdir"/$m4base/gnulib-cache.m4 "$destdir"/$m4base/gnulib-cache.m4.tmp > /dev/null; then
        rm -f "$destdir"/$m4base/gnulib-cache.m4.tmp
      else
        if $doit; then
          echo "Updating $m4base/gnulib-cache.m4 (backup in $m4base/gnulib-cache.m4~)"
          mv -f "$destdir"/$m4base/gnulib-cache.m4 "$destdir"/$m4base/gnulib-cache.m4~
          mv -f "$destdir"/$m4base/gnulib-cache.m4.tmp "$destdir"/$m4base/gnulib-cache.m4
        else
          echo "Update $m4base/gnulib-cache.m4 (backup in $m4base/gnulib-cache.m4~)"
          if false; then
            cat "$destdir"/$m4base/gnulib-cache.m4.tmp
            echo
            echo "# gnulib-cache.m4 ends here"
          fi
          rm -f "$destdir"/$m4base/gnulib-cache.m4.tmp
        fi
      fi
    else
      if $doit; then
        echo "Creating $m4base/gnulib-cache.m4"
        mv -f "$destdir"/$m4base/gnulib-cache.m4.tmp "$destdir"/$m4base/gnulib-cache.m4
      else
        echo "Create $m4base/gnulib-cache.m4"
        cat "$destdir"/$m4base/gnulib-cache.m4.tmp
        rm -f "$destdir"/$m4base/gnulib-cache.m4.tmp
      fi
    fi
  
    # Create m4/gnulib-comp.m4.
    (
      echo "# Copyright (C) 2004 Free Software Foundation, Inc."
      echo "# This file is free software, distributed under the terms of the GNU"
      echo "# General Public License.  As a special exception to the GNU General"
      echo "# Public License, this file may be distributed as part of a program"
      echo "# that contains a configuration script generated by Autoconf, under"
      echo "# the same distribution terms as the rest of that program."
      echo "#"
      echo "# Generated by gnulib-tool."
      echo "#"
      echo "# This file represents the compiled summary of the specification in"
      echo "# gnulib-cache.m4. It lists the computed macro invocations that need"
      echo "# to be invoked from configure.ac."
      echo "# In projects using CVS, this file can be treated like other built files."
      echo
      echo
      echo "# This macro should be invoked from $configure_ac, in the section"
      echo "# \"Checks for programs\", right after AC_PROG_CC, and certainly before"
      echo "# any checks for libraries, header files, types and library functions."
      echo "AC_DEFUN([${macro_prefix}_EARLY],"
      echo "["
      echo "  AC_REQUIRE([AC_PROG_RANLIB])"
      if grep AC_GNU_SOURCE "$destdir"/$m4base/*.m4 > /dev/null; then
        echo "  AC_REQUIRE([AC_GNU_SOURCE])"
      fi
      if grep gl_USE_SYSTEM_EXTENSIONS "$destdir"/$m4base/*.m4 > /dev/null; then
        echo "  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])"
      fi
      if grep gl_LOCK "$destdir"/$m4base/*.m4 > /dev/null; then
        echo "  AC_REQUIRE([gl_LOCK])"
      fi
      echo "])"
      echo
      echo "# This macro should be invoked from $configure_ac, in the section"
      echo "# \"Check for header files, types and library functions\"."
      echo "AC_DEFUN([${macro_prefix}_INIT],"
      echo "["
      if test -z "$libtool"; then
        echo "  AM_CONDITIONAL([GL_COND_LIBTOOL], [false])"
      else
        echo "  AM_CONDITIONAL([GL_COND_LIBTOOL], [true])"
      fi
      if test "$auxdir" != "build-aux"; then
        sed_replace_build_aux='
          :a
          /AC_CONFIG_FILES(.*:build-aux\/.*)/{
            s|AC_CONFIG_FILES(\(.*\):build-aux/\(.*\))|AC_CONFIG_FILES(\1:'"$auxdir"'/\2)|
            ba
          }'
        sed_replace_build_aux=`echo "$sed_replace_build_aux" | sed -e 1d -e 's/^ *//'`
      else
        sed_replace_build_aux=
      fi
      for module in $modules; do
        func_verify_module
        if test -n "$module"; then
          func_get_autoconf_snippet "$module" \
            | sed -e '/^$/d;' -e 's/^/  /' \
                  -e 's/AM_GNU_GETTEXT(\[external\])/dnl you must add AM_GNU_GETTEXT([external]) or similar to configure.ac./' \
                  -e "$sed_replace_build_aux"
          if test "$module" = 'alloca' && test -n "$libtool"; then
            echo 'changequote(,)dnl'
            echo 'LTALLOCA=`echo "$ALLOCA" | sed '"'"'s/\.[^.]* /.lo /g;s/\.[^.]*$/.lo/'"'"'`'
            echo 'changequote([, ])dnl'
            echo 'AC_SUBST([LTALLOCA])'
          fi
        fi
      done
      echo "])"
      echo
      echo "# This macro records the list of files which have been installed by"
      echo "# gnulib-tool and may be removed by future gnulib-tool invocations."
      echo "AC_DEFUN([${macro_prefix}_FILE_LIST], ["
      echo "$files" | sed -e 's,^,  ,'
      echo "])"
    ) > "$destdir"/$m4base/gnulib-comp.m4.tmp
    if test -f "$destdir"/$m4base/gnulib-comp.m4; then
      if cmp "$destdir"/$m4base/gnulib-comp.m4 "$destdir"/$m4base/gnulib-comp.m4.tmp > /dev/null; then
        rm -f "$destdir"/$m4base/gnulib-comp.m4.tmp
      else
        if $doit; then
          echo "Updating $m4base/gnulib-comp.m4 (backup in $m4base/gnulib-comp.m4~)"
          mv -f "$destdir"/$m4base/gnulib-comp.m4 "$destdir"/$m4base/gnulib-comp.m4~
          mv -f "$destdir"/$m4base/gnulib-comp.m4.tmp "$destdir"/$m4base/gnulib-comp.m4
        else
          echo "Update $m4base/gnulib-comp.m4 (backup in $m4base/gnulib-comp.m4~)"
          if false; then
            cat "$destdir"/$m4base/gnulib-comp.m4.tmp
            echo
            echo "# gnulib-comp.m4 ends here"
          fi
          rm -f "$destdir"/$m4base/gnulib-comp.m4.tmp
        fi
      fi
    else
      if $doit; then
        echo "Creating $m4base/gnulib-comp.m4"
        mv -f "$destdir"/$m4base/gnulib-comp.m4.tmp "$destdir"/$m4base/gnulib-comp.m4
      else
        echo "Create $m4base/gnulib-comp.m4"
        cat "$destdir"/$m4base/gnulib-comp.m4.tmp
        rm -f "$destdir"/$m4base/gnulib-comp.m4.tmp
      fi
    fi
  
    if test -n "$inctests"; then
      # Create tests/Makefile.am.
      func_emit_tests_Makefile_am > "$destdir"/$testsbase/Makefile.am.tmp
      if test -f "$destdir"/$testsbase/Makefile.am; then
        if cmp "$destdir"/$testsbase/Makefile.am "$destdir"/$testsbase/Makefile.am.tmp > /dev/null; then
          rm -f "$destdir"/$testsbase/Makefile.am.tmp
        else
          if $doit; then
            echo "Updating $testsbase/Makefile.am (backup in $testsbase/Makefile.am~)"
            mv -f "$destdir"/$testsbase/Makefile.am "$destdir"/$testsbase/Makefile.am~
            mv -f "$destdir"/$testsbase/Makefile.am.tmp "$destdir"/$testsbase/Makefile.am
          else
            echo "Update $testsbase/Makefile.am (backup in $testsbase/Makefile.am~)"
            rm -f "$destdir"/$testsbase/Makefile.am.tmp
          fi
        fi
      else
        if $doit; then
          echo "Creating $testsbase/Makefile.am"
          mv -f "$destdir"/$testsbase/Makefile.am.tmp "$destdir"/$testsbase/Makefile.am
        else
          echo "Create $testsbase/Makefile.am"
          rm -f "$destdir"/$testsbase/Makefile.am.tmp
        fi
      fi
    fi
  
    echo "Finished."
    echo
    echo "You may need to add #include directives for the following .h files."
    for module in $modules; do
      func_get_include_directive "$module"
    done | LC_ALL=C sort -u | sed -e '/^$/d;' -e 's/^/  /'
    echo
    echo "Don't forget to"
    echo "  - add \"$sourcebase/Makefile\" to AC_CONFIG_FILES in $configure_ac,"
    if test -n "$inctests"; then
      echo "  - add \"$testsbase/Makefile\" to AC_CONFIG_FILES in $configure_ac,"
    fi
    sourcebase_dir=`echo "$sourcebase" | sed -n -e 's,/[^/]*$,/,p'`
    sourcebase_base=`basename "$sourcebase"`
    echo "  - mention \"${sourcebase_base}\" in SUBDIRS in ${sourcebase_dir}Makefile.am,"
    if test -n "$inctests"; then
      testsbase_dir=`echo "$testsbase" | sed -n -e 's,/[^/]*$,/,p'`
      testsbase_base=`basename "$testsbase"`
      echo "  - mention \"${testsbase_base}\" in SUBDIRS in ${testsbase_dir}Makefile.am,"
    fi
    echo "  - mention \"-I ${m4base}\" in ACLOCAL_AMFLAGS in Makefile.am,"
    echo "  - invoke ${macro_prefix}_EARLY in $configure_ac, right after AC_PROG_CC,"
    echo "  - invoke ${macro_prefix}_INIT in $configure_ac."
  }
  
  # func_create_testdir testdir modules
  # Input:
  # - auxdir          directory relative to destdir where to place build aux files
  func_create_testdir ()
  {
    testdir="$1"
    modules="$2"
    modules=`for m in $modules; do echo $m; done | LC_ALL=C sort | LC_ALL=C uniq`
  
    # Determine final module list.
    func_modules_transitive_closure
    echo "Module list with included dependencies:"
    echo "$modules" | sed -e 's/^/  /'
  
    # Add the dummy module if needed.
    func_modules_add_dummy
  
    # Determine final file list.
    func_modules_to_filelist
    echo "File list:"
    echo "$files" | sed -e 's/^/  /'
  
    # Create directories.
    for d in `echo "$files" | sed -n -e 's,^\(.*\)/[^/]*,\1,p'`; do
      if test "$d" = build-aux; then
        mkdir -p "$testdir/$auxdir"
      else
        mkdir -p "$testdir/$d"
      fi
    done
  
    # Copy files or make symbolic links.
    for f in $files; do
      case "$f" in
        build-aux/*) g=`echo "$f" | sed -e "s,^build-aux/,$auxdir/,"` ;;
        *) g="$f" ;;
      esac
      ln "$gnulib_dir/$f" "$testdir/$g" 2>/dev/null ||
      if test -z "$symbolic"; then
        cp -p "$gnulib_dir/$f" "$testdir/$g"
      else
        ln -s "$gnulib_dir/$f" "$testdir/$g"
      fi
    done
  
    # Create lib/Makefile.am.
    mkdir -p "$testdir/lib"
    func_emit_lib_Makefile_am > "$testdir/lib/Makefile.am"
  
    # Create m4/Makefile.am.
    mkdir -p "$testdir/m4"
    (echo "## Process this file with automake to produce Makefile.in."
     echo
     echo "EXTRA_DIST ="
     for f in $files; do
       case "$f" in
         m4/* )
           echo "EXTRA_DIST += "`echo "$f" | sed -e 's,^m4/,,'` ;;
       esac
     done
    ) > "$testdir/m4/Makefile.am"
  
    subdirs="lib m4"
    subdirs_with_configure_ac=""
  
    if test -f "$testdir"/m4/gettext.m4; then
      # Avoid stupid error message from automake:
      # "AM_GNU_GETTEXT used but `po' not in SUBDIRS"
      mkdir -p "$testdir/po"
      (echo "## Process this file with automake to produce Makefile.in."
      ) > "$testdir/po/Makefile.am"
      subdirs="$subdirs po"
    fi
  
    if test -n "$inctests"; then
      test -d "$testdir/tests" || mkdir "$testdir/tests"
      # Create tests/Makefile.am.
      sourcebase=lib
      m4base=m4
      testsbase=tests
      func_emit_tests_Makefile_am > "$testdir/tests/Makefile.am"
      # Create tests/configure.ac.
      (echo "# Process this file with autoconf to produce a configure script."
       echo "AC_INIT([dummy], [0])"
       echo "AC_CONFIG_AUX_DIR([../$auxdir])"
       echo "AM_INIT_AUTOMAKE"
       echo
       echo "AM_CONFIG_HEADER([config.h])"
       echo
       echo "AC_PROG_CC"
       echo "AC_PROG_INSTALL"
       echo "AC_PROG_MAKE_SET"
       echo "AC_PROG_RANLIB"
       echo
       if grep AC_GNU_SOURCE "$testdir"/m4/*.m4 > /dev/null; then
         echo "AC_GNU_SOURCE"
         echo
       fi
       if grep gl_USE_SYSTEM_EXTENSIONS "$testdir"/m4/*.m4 > /dev/null; then
         echo "gl_USE_SYSTEM_EXTENSIONS"
         echo
       fi
       if grep gl_LOCK "$testdir"/m4/*.m4 > /dev/null; then
         echo "gl_LOCK"
         echo
       fi
       if test -z "$libtool"; then
         echo "AM_CONDITIONAL([GL_COND_LIBTOOL], [false])"
       else
         echo "AM_CONDITIONAL([GL_COND_LIBTOOL], [true])"
       fi
       if test "$auxdir" != "build-aux"; then
         sed_replace_build_aux='
           :a
           /AC_CONFIG_FILES(.*:build-aux\/.*)/{
             s|AC_CONFIG_FILES(\(.*\):build-aux/\(.*\))|AC_CONFIG_FILES(\1:../'"$auxdir"'/\2)|
             ba
           }'
         sed_replace_build_aux=`echo "$sed_replace_build_aux" | sed -e 1d -e 's/^ *//'`
       else
         sed_replace_build_aux=
       fi
       # We don't have explicit ordering constraints between the various
       # autoconf snippets. It's cleanest to put those of the library before
       # those of the tests.
       for module in $modules; do
         func_verify_nontests_module
         if test -n "$module"; then
           func_get_autoconf_snippet "$module" \
             | sed -e "$sed_replace_build_aux"
         fi
       done
       for module in $modules; do
         func_verify_tests_module
         if test -n "$module"; then
           func_get_autoconf_snippet "$module" \
             | sed -e "$sed_replace_build_aux"
         fi
       done
       echo
       # Usually tests/config.h will be a superset of config.h. Verify this by
       # "merging" config.h into tests/config.h; look out for gcc warnings.
       echo "AH_TOP([#include \"../config.h\"])"
       echo
       echo "AC_OUTPUT([Makefile])"
      ) > "$testdir/tests/configure.ac"
      subdirs="$subdirs tests"
      subdirs_with_configure_ac="$subdirs_with_configure_ac tests"
    fi
  
    # Create Makefile.am.
    (echo "## Process this file with automake to produce Makefile.in."
     echo
     echo "AUTOMAKE_OPTIONS = 1.5 foreign"
     echo
     echo "SUBDIRS = $subdirs"
     echo
     echo "ACLOCAL_AMFLAGS = -I m4"
    ) > "$testdir/Makefile.am"
  
    # Create configure.ac.
    (echo "# Process this file with autoconf to produce a configure script."
     echo "AC_INIT([dummy], [0])"
     if test "$auxdir" != "."; then
       echo "AC_CONFIG_AUX_DIR([$auxdir])"
     fi
     echo "AM_INIT_AUTOMAKE"
     echo
     echo "AM_CONFIG_HEADER([config.h])"
     echo
     echo "AC_PROG_CC"
     echo "AC_PROG_INSTALL"
     echo "AC_PROG_MAKE_SET"
     echo "AC_PROG_RANLIB"
     echo
     if grep AC_GNU_SOURCE "$testdir"/m4/*.m4 > /dev/null; then
       echo "AC_GNU_SOURCE"
       echo
     fi
     if grep gl_USE_SYSTEM_EXTENSIONS "$testdir"/m4/*.m4 > /dev/null; then
       echo "gl_USE_SYSTEM_EXTENSIONS"
       echo
     fi
     if grep gl_LOCK "$testdir"/m4/*.m4 > /dev/null; then
       echo "gl_LOCK"
       echo
     fi
     if test -z "$libtool"; then
       echo "AM_CONDITIONAL([GL_COND_LIBTOOL], [false])"
     else
       echo "AM_CONDITIONAL([GL_COND_LIBTOOL], [true])"
     fi
     if test "$auxdir" != "build-aux"; then
       sed_replace_build_aux='
         :a
         /AC_CONFIG_FILES(.*:build-aux\/.*)/{
           s|AC_CONFIG_FILES(\(.*\):build-aux/\(.*\))|AC_CONFIG_FILES(\1:'"$auxdir"'/\2)|
           ba
         }'
       sed_replace_build_aux=`echo "$sed_replace_build_aux" | sed -e 1d -e 's/^ *//'`
     else
       sed_replace_build_aux=
     fi
     for module in $modules; do
       func_verify_nontests_module
       if test -n "$module"; then
         func_get_autoconf_snippet "$module" \
           | sed -e "$sed_replace_build_aux"
       fi
     done
     echo
     if test -n "$subdirs_with_configure_ac"; then
       echo "AC_CONFIG_SUBDIRS(["`echo $subdirs_with_configure_ac`"])"
     fi
     makefiles="Makefile"
     for d in $subdirs; do
       # For subdirs that have a configure.ac by their own, it's the subdir's
       # configure.ac which creates the subdir's Makefile.am, not this one.
       case " $subdirs_with_configure_ac " in
         *" $d "*) ;;
         *) makefiles="$makefiles $d/Makefile" ;;
       esac
     done
     echo "AC_OUTPUT([$makefiles])"
    ) > "$testdir/configure.ac"
  
    # Create autogenerated files.
    (cd "$testdir"
     echo "executing ${AUTORECONF} --force --install"
     ${AUTORECONF} --force --install
    )
    if grep '^BUILT_SOURCES *+=' "$testdir/lib/Makefile.am" > /dev/null; then
      (cd "$testdir"
       ./configure
         cd lib
         echo 'built_sources: $(BUILT_SOURCES)' >> Makefile
         make built_sources
         cd ..
       make distclean
      )
    fi
  }
  
  # func_create_megatestdir megatestdir allmodules
  # Input:
  # - auxdir          directory relative to destdir where to place build aux files
  func_create_megatestdir ()
  {
    megatestdir="$1"
    allmodules="$2"
    if test -z "$allmodules"; then
      allmodules=`func_all_modules`
    fi
  
    megasubdirs=
    # First, all modules one by one.
    for onemodule in $allmodules; do
      func_create_testdir "$megatestdir/$onemodule" $onemodule
      megasubdirs="${megasubdirs}$onemodule "
    done
    # Then, all modules all together.
    # Except fnmatch-posix, which conflicts with fnmatch-gnu. FIXME.
    allmodules=`for m in $allmodules; do if test $m != fnmatch-posix; then echo $m; fi; done`
    func_create_testdir "$megatestdir/ALL" "$allmodules"
    megasubdirs="${megasubdirs}ALL"
  
    # Create Makefile.am.
    (echo "## Process this file with automake to produce Makefile.in."
     echo
     echo "AUTOMAKE_OPTIONS = 1.5 foreign"
     echo
     echo "SUBDIRS = $megasubdirs"
    ) > "$megatestdir/Makefile.am"
  
    # Create configure.ac.
    (echo "# Process this file with autoconf to produce a configure script."
     echo "AC_INIT([dummy], [0])"
     if test "$auxdir" != "."; then
       echo "AC_CONFIG_AUX_DIR([$auxdir])"
     fi
     echo "AM_INIT_AUTOMAKE"
     echo
     echo "AC_PROG_MAKE_SET"
     echo
     echo "AC_CONFIG_SUBDIRS([$megasubdirs])"
     echo "AC_OUTPUT([Makefile])"
    ) > "$megatestdir/configure.ac"
  
    # Create autogenerated files.
    (cd "$megatestdir"
     # Do not use "${AUTORECONF} --install", because autoreconf operates
     # recursively, but the subdirectories are already finished, therefore
     # calling autoreconf here would only waste lots of CPU time.
     echo "executing ${ACLOCAL}"
     ${ACLOCAL}
     echo "executing mkdir build-aux"
     mkdir build-aux
     echo "executing ${AUTOCONF}"
     ${AUTOCONF}
     echo "executing ${AUTOMAKE} --add-missing --copy"
     ${AUTOMAKE} --add-missing --copy
    )
  }
  
  case $mode in
    "" )
      func_fatal_error "no mode specified" ;;
  
    list )
      func_all_modules
      ;;
  
    import | update )
      
      # Where to import.
      if test -z "$destdir"; then
        destdir=.
      fi
      test -d "$destdir" \
        || func_fatal_error "destination directory does not exist: $destdir"
  
      # Prefer configure.ac to configure.in.
      if test -f "$destdir"/configure.ac; then
        configure_ac="$destdir/configure.ac"
      else
        if test -f "$destdir"/configure.in; then
          configure_ac="$destdir/configure.in"
        else
          func_fatal_error "cannot find $destdir/configure.ac"
        fi
      fi
  
      test -f "$destdir"/Makefile.am \
        || func_fatal_error "cannot find $destdir/Makefile.am"
  
      # Analyze configure.ac.
      guessed_auxdir="."
      guessed_libtool=
      my_sed_traces='
        s,#.*$,,
        s,^dnl .*$,,
        s, dnl .*$,,
        /AC_CONFIG_AUX_DIR/ {
          s,^.*AC_CONFIG_AUX_DIR([[ ]*\([^])]*\).*$,guessed_auxdir="\1",p
        }
        /A[CM]_PROG_LIBTOOL/ {
          s,^.*$,guessed_libtool=true,p
        }'
      eval `sed -n -e "$my_sed_traces" < "$configure_ac"`
  
      if test -z "$auxdir"; then
        auxdir="$guessed_auxdir"
      fi
  
      # Determine where to apply func_import.
      if test -n "$m4base"; then
        # Apply func_import to a particular gnulib directory.
        # Any number of additional modules can be given.
        if test ! -f "$destdir/$m4base"/gnulib-cache.m4; then
          # First use of gnulib in the given m4base.
          test -n "$supplied_libname" || supplied_libname=true
          test -n "$sourcebase" || sourcebase="lib"
          test -n "$testsbase" || testsbase="tests"
          test -n "$macro_prefix" || macro_prefix="gl"
        fi
        func_import "$*"
      else
        # Apply func_import to all gnulib directories.
        # To get this list of directories, look at Makefile.am. (Not at
        # configure, because it may be omitted from CVS. Also, don't run
        # "find $destdir -name gnulib-cache.m4", as it might be too expensive.)
        aclocal_amflags=`grep '^ACLOCAL_AMFLAGS[ 	]*=' "$destdir"/Makefile.am | sed -e 's/^ACLOCAL_AMFLAGS[ 	]*=\(.*\)$/\1/'`
        m4dirs=
        m4dirs_count=0
        m4dir_is_next=
        for arg in $aclocal_amflags; do
          if test -n "$m4dir_is_next"; then
            # Ignore absolute directory pathnames, like /usr/local/share/aclocal.
            case "$arg" in
              /*) ;;
              *)
                if test -f "$destdir/$arg"/gnulib-cache.m4; then
                  m4dirs="$m4dirs $arg"
                  m4dirs_count=`expr $m4dirs_count + 1`
                fi
                ;;
            esac
          else
            if test "X$arg" = "X-I"; then
              m4dir_is_next=yes
            else
              m4dir_is_next=
            fi
          fi
        done
        if test $m4dirs_count = 0; then
          # First use of gnulib in a package.
          # Any number of additional modules can be given.
          test -n "$supplied_libname" || supplied_libname=true
          test -n "$sourcebase" || sourcebase="lib"
          m4base="m4"
          test -n "$testsbase" || testsbase="tests"
          test -n "$macro_prefix" || macro_prefix="gl"
          func_import "$*"
        else
          if test $m4dirs_count = 1; then
            # There's only one use of gnulib here. Assume the user means it.
            # Any number of additional modules can be given.
            for m4base in $m4dirs; do
              func_import "$*"
            done
          else
            # Ambiguous - guess what the user meant.
            if test $# = 0; then
              # No further arguments. Guess the user wants to update all of them.
              for m4base in $m4dirs; do
                func_import
              done
            else
              # Really ambiguous.
              func_fatal_error "Ambiguity: to which directory should the modules be added? Please specify at least --m4-base=..."
            fi
          fi
        fi
      fi
      ;;
  
    create-testdir )
      if test -z "$destdir"; then
        func_fatal_error "please specify --dir option"
      fi
      mkdir "$destdir"
      test -d "$destdir" \
        || func_fatal_error "could not create destination directory"
      test -n "$auxdir" || auxdir="build-aux"
      func_create_testdir "$destdir" "$*"
      ;;
  
    create-megatestdir )
      if test -z "$destdir"; then
        func_fatal_error "please specify --dir option"
      fi
      mkdir "$destdir" || func_fatal_error "could not create destination directory"
      test -n "$auxdir" || auxdir="build-aux"
      func_create_megatestdir "$destdir" "$*"
      ;;
  
    test )
      test -n "$destdir" || destdir=testdir$$
      mkdir "$destdir" || func_fatal_error "could not create destination directory"
      test -n "$auxdir" || auxdir="build-aux"
      func_create_testdir "$destdir" "$*"
      cd "$destdir"
        mkdir build
        cd build
          ../configure
          make
          make check
          make distclean
          remaining=`find . -type f -print`
          if test -n "$remaining"; then
            echo "Remaining files:" $remaining 1>&2
            echo "gnulib-tool: *** Stop." 1>&2
            exit 1
          fi
        cd ..
      cd ..
      rm -rf "$destdir"
      ;;
  
    megatest )
      test -n "$destdir" || destdir=testdir$$
      mkdir "$destdir" || func_fatal_error "could not create destination directory"
      test -n "$auxdir" || auxdir="build-aux"
      func_create_megatestdir "$destdir" "$*"
      cd "$destdir"
        mkdir build
        cd build
          ../configure
          make
          make check
          make distclean
          remaining=`find . -type f -print`
          if test -n "$remaining"; then
            echo "Remaining files:" $remaining 1>&2
            echo "gnulib-tool: *** Stop." 1>&2
            exit 1
          fi
        cd ..
      cd ..
      rm -rf "$destdir"
      ;;
  
    extract-description )
      for module
      do
        func_verify_module
        if test -n "$module"; then
          func_get_description "$module"
        fi
      done
      ;;
  
    extract-filelist )
      for module
      do
        func_verify_module
        if test -n "$module"; then
          func_get_filelist "$module"
        fi
      done
      ;;
  
    extract-dependencies )
      for module
      do
        func_verify_module
        if test -n "$module"; then
          func_get_dependencies "$module"
        fi
      done
      ;;
  
    extract-autoconf-snippet )
      for module
      do
        func_verify_module
        if test -n "$module"; then
          func_get_autoconf_snippet "$module"
        fi
      done
      ;;
  
    extract-automake-snippet )
      for module
      do
        func_verify_module
        if test -n "$module"; then
          func_get_automake_snippet "$module"
        fi
      done
      ;;
  
    extract-include-directive )
      for module
      do
        func_verify_module
        if test -n "$module"; then
          func_get_include_directive "$module"
        fi
      done
      ;;
  
    extract-license )
      for module
      do
        func_verify_module
        if test -n "$module"; then
          func_get_license "$module"
        fi
      done
      ;;
  
    extract-maintainer )
      for module
      do
        func_verify_module
        if test -n "$module"; then
          func_get_maintainer "$module"
        fi
      done
      ;;
  
    extract-tests-module )
      for module
      do
        func_verify_module
        if test -n "$module"; then
          func_get_tests_module "$module"
        fi
      done
      ;;
  
    * )
      func_fatal_error "unknown operation mode --$mode" ;;
  esac
  
  exit 0
  

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